#include <iostream>
#include <cmath>

int main(void)
{
	using namespace std;

	double area;

	cout << "Enter the floor area, in square feet, of your home: ";
	cin >> area;

	double side;
	side = sqrt(area);
	
	cout << "That's the equivalent of a square " << side
		 << " feet to the side ." << endl;
	return 0;
}

